Talk:T Tauri star

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Contraction time[edit]

Contraction time is about 108 only if the mass of the protostar is 1 solar mass. The text is too precise. Rursus 22:44, 16 November 2006 (UTC)

Not to mention which the statement that contraction time is 108 years for a 1 solar mass star could really do with a specific reference, as could much of the rest of the article to be honest and preferably ones that are freely available to the general public and less than 20 years old. Physdragon (talk) 00:09, 10 March 2010 (UTC)

CTTS & WTTS[edit]

Not sure where to add this.

  • Classical T-Tauri Star (CTTS)
    • actively accreting matter, UV & Infared excess.
  • Weak line T-Tauri Star (WTTS)
    • not accreting or barely accreting matter, no UV or Infared excess.

Thanks, CarpD 4/3/07

You're right- these definitely need to be added. I suggest right before the picture "protoplanetary disks in the orion nebula" (I added a comment in the page there)

Cschim (talk) 23:08, 18 January 2008 (UTC)

I will take a look.

  • CTTS = Classical T-Tauri Star
  • WTTS = Weak-line T-Tauri Star
  • NTTS = Naked T-Tauri Star
  • PTTS = Post T-Tauri Star

Trying to verify this, first.

TTS region          PTTS   "PTTS gap"    ZAMS region
 |       └► NTTS ─► PTTS ─► PTTS/ZAMS ─► ZAMS
 └----------------► PTTS ─► PTTS/ZAMS ─► ZAMS

Thanks, Marasama (talk) 16:00, 6 November 2008 (UTC)

The Sun[edit]

This article suggests that these stars are different from the Sun in a number of ways, but Sun says that the Sun is a T Tauri star. This needs clarification by someone more qualified than me. :P (talk) 21:44, 8 July 2009 (UTC)


Please see the lithium burning talk page for a discussion about the actual reaction particles and energies involved.

T Tauri pic[edit]

Since TTS stars are based on the original T Tauri star, there probably should be a picture showing the original T Tauri star on this page. Thanks, Marasama (talk) 21:19, 13 February 2012 (UTC)